1. On June 4, 2013, William Shell Survivor's Trust was issued 584,795 shares of common stock as repayment for an aggregate of $1,000,000 notes payable.

2. Common stock and warrants are held by Willliam Shell Survivor's Trust.

3. Common stock is held by Elizabeth Charuvastra Exemption Trust. William E. Shell is voluntarily filing on behalf of the Elizabeth Charuvastra Exemption Trust and disclaims any and all pecuniary interest in the Elizabeth Charuvastra Exemption Trust.

4. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $4.00 to $4.05 per share.

5. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $4.10 to $4.20 per share.

6. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $3.75 to $4.25 per share.

7. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $4.30 to $4.35 per share.

8. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $4.40 to $4.85 per share.

9. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $4.68 to $5.10 per share.

10. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $4.30 to $4.79 per share.

11. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $4.20 to $5.00 per share.

12. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $4.25 to $5.00 per share.

13. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $3.90 to $4.40 per share.

14. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $3.90 to $4.00 per share.

15. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $2.50 to $3.45 per share.

16. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $3.50 to $4.00 per share.

17. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $2.15 to $2.50 per share.

18. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $2.14 to $2.15 per share.

19. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $2.09 to $2.12 per share.

20. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $4.25 to $4.30 per share.

21. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $4.55 to $4.79 per share.

22. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $4.38 to $4.90 per share.

23. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $3.70 to $4.10 per share.

24. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $2.15 to $2.50 per share.

25. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $2.10 to $2.12 per share.